V-Lab
D.L.S.I. MEM Volatility Analysis
Volatility prediction for Thursday, September 10th, 2026
1 Day
21.67%
increased by 0.39%
1 Week
22.88%
increased by 1.60%
1 Month
26.38%
increased by 5.10%
Analysis last updated: Thursday, September 10, 2026 at 06:52 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 26, 2006 to Sep 4, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
μ
MEM Model
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Shock decay: Shocks decay with a 21-day half-life
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.1714 | 3.67*** |
| αARCH | 0.1592 | 6.66*** |
| βGARCH | 0.8077 | 41.11*** |
0.967
Persistence21d
Half-lifeμ
MEM Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1714 | 3.67*** |
α ARCH Response to squared shocks | 0.1592 | 6.66*** |
β GARCH Volatility persistence | 0.8077 | 41.11*** |
Persistence:
0.967
Half-life:
21 days
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